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[vsnet-alert 1254] Possible standstill of AH Her

Possible standstill of AH Her

   The Z Cam-star AH Her may be entering a standstill as indicated by the
following observations.  The latest definite standstill of this dwarf
nova dates back to 1995 April - June.  On several more occasions, however,
this star showed decreased outburst amplitudes (e.g. 1997 May).

  YYMMDD(UT)   mag  observer
  970922.760   135  (T. Kinnunen)
  970922.800   141  (J. Pietz)
  970922.82    139  (M. Verdenet)
  970922.840   137  (G. Poyner)
  970922.842   137  (E. Broens)
  970922.842   139  (G. Comello)
  970923.149   138  (G. Hanson)
  970923.750   118  (T. Kinnunen)
  970923.78    128  (E. Schweitzer)
  970923.82    120  (M. Verdenet)
  970923.826   121  (G. Poyner)
  970924.153   122  (G. Hanson)
  970924.760   117  (T. Kinnunen)
  970924.800   117  (J. Pietz)
  970924.84    113  (E. Schweitzer)
  970924.869   119  (B. H. Granslo)
  970924.872   120  (G. Comello)
  970925.128   116  (R. J. Modic)
  970925.780   116  (T. Kinnunen)
  970925.78    118  (E. Schweitzer)
  970925.800   117  (J. Pietz)
  970925.803   119  (G. Comello)
  970925.82    118  (M. Verdenet)
  970925.876   113  (E. Broens)
  970926.780   117  (T. Kinnunen)
  970926.800   118  (J. Pietz)
  970926.840   113  (E. Broens)
  970926.860   121  (B. H. Granslo)
  970927.222   122  (G. Hanson)
  970927.79    118  (E. Schweitzer)
  970927.80    119  (M. Verdenet)
  970927.810   122  (B. H. Granslo)
  970928.244   125  (G. Hanson)
  970928.847   127  (K-G. Andersson)
  970929.212   124  (G. Hanson)
  970929.81    121  (M. Verdenet)
  971001.803   127  (G. Poyner)
  971001.810   130  (B. H. Granslo)
  971002.847   129  (G. Poyner)
  971003.115   128  (G. Hanson)
  971003.830   131  (G. Comello)
  971004.185   125  (G. Hanson)
  971005.219   125  (G. Hanson)
  971005.817   124  (G. Poyner)
  971005.819   127  (K-G. Andersson)
  971006.110   125  (G. Hanson)
  971007.108   125  (G. Hanson)

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